Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/hg.py @ 2841:619f1c65384c

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Adjusted documentation for hgrc's "[smtp] host" for change in 9f745d3675d4.
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 11 Aug 2006 09:11:54 +0200
parents 2ff57e3113a4
children 345bac2bc4ec
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1 # hg.py - repository classes for mercurial
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2 #
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3 # Copyright 2005 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 from node import *
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9 from repo import *
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10 from demandload import *
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11 from i18n import gettext as _
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12 demandload(globals(), "localrepo bundlerepo httprepo sshrepo statichttprepo")
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13 demandload(globals(), "errno lock os shutil util merge@_merge verify@_verify")
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14
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15 def _local(path):
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16 return (os.path.isfile(path and util.drop_scheme('file', path)) and
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17 bundlerepo or localrepo)
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18
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19 schemes = {
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20 'bundle': bundlerepo,
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21 'file': _local,
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22 'hg': httprepo,
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23 'http': httprepo,
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24 'https': httprepo,
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25 'old-http': statichttprepo,
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26 'ssh': sshrepo,
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27 'static-http': statichttprepo,
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28 }
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29
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30 def _lookup(path):
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31 scheme = 'file'
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32 if path:
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33 c = path.find(':')
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34 if c > 0:
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35 scheme = path[:c]
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36 thing = schemes.get(scheme) or schemes['file']
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37 try:
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38 return thing(path)
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39 except TypeError:
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40 return thing
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41
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42 def islocal(repo):
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43 '''return true if repo or path is local'''
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44 if isinstance(repo, str):
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45 try:
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46 return _lookup(repo).islocal(repo)
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47 except AttributeError:
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48 return False
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49 return repo.local()
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51 repo_setup_hooks = []
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52
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53 def repository(ui, path=None, create=False):
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54 """return a repository object for the specified path"""
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55 repo = _lookup(path).instance(ui, path, create)
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56 for hook in repo_setup_hooks:
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57 hook(ui, repo)
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58 return repo
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59
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60 def defaultdest(source):
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61 '''return default destination of clone if none is given'''
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62 return os.path.basename(os.path.normpath(source))
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63
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64 def clone(ui, source, dest=None, pull=False, rev=None, update=True,
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65 stream=False):
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66 """Make a copy of an existing repository.
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67
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68 Create a copy of an existing repository in a new directory. The
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69 source and destination are URLs, as passed to the repository
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70 function. Returns a pair of repository objects, the source and
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71 newly created destination.
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72
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73 The location of the source is added to the new repository's
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74 .hg/hgrc file, as the default to be used for future pulls and
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75 pushes.
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76
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77 If an exception is raised, the partly cloned/updated destination
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78 repository will be deleted.
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79
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80 Arguments:
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81
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82 source: repository object or URL
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83
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84 dest: URL of destination repository to create (defaults to base
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85 name of source repository)
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86
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87 pull: always pull from source repository, even in local case
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88
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89 stream: stream raw data uncompressed from repository (fast over
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90 LAN, slow over WAN)
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91
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92 rev: revision to clone up to (implies pull=True)
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93
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94 update: update working directory after clone completes, if
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95 destination is local repository
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96 """
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97 if isinstance(source, str):
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98 src_repo = repository(ui, source)
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99 else:
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100 src_repo = source
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101 source = src_repo.url()
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102
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103 if dest is None:
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104 dest = defaultdest(source)
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105
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106 def localpath(path):
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107 if path.startswith('file://'):
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108 return path[7:]
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109 if path.startswith('file:'):
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110 return path[5:]
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111 return path
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112
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113 dest = localpath(dest)
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114 source = localpath(source)
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115
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116 if os.path.exists(dest):
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117 raise util.Abort(_("destination '%s' already exists"), dest)
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118
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119 class DirCleanup(object):
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120 def __init__(self, dir_):
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121 self.rmtree = shutil.rmtree
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122 self.dir_ = dir_
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123 def close(self):
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124 self.dir_ = None
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125 def __del__(self):
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126 if self.dir_:
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127 self.rmtree(self.dir_, True)
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128
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129 dest_repo = None
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130 try:
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131 dest_repo = repository(ui, dest)
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132 raise util.Abort(_("destination '%s' already exists." % dest))
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133 except RepoError:
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134 dest_repo = repository(ui, dest, create=True)
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135
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136 dest_path = None
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137 dir_cleanup = None
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138 if dest_repo.local():
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532809ba1db5 hg.py: add islocal() and defaultdest() functions, refactor
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139 dest_path = os.path.realpath(dest_repo.root)
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140 dir_cleanup = DirCleanup(dest_path)
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141
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142 abspath = source
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143 copy = False
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144 if src_repo.local() and dest_repo.local():
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145 abspath = os.path.abspath(source)
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146 copy = not pull and not rev
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147
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148 src_lock, dest_lock = None, None
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149 if copy:
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150 try:
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151 # we use a lock here because if we race with commit, we
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152 # can end up with extra data in the cloned revlogs that's
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153 # not pointed to by changesets, thus causing verify to
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154 # fail
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155 src_lock = src_repo.lock()
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156 except lock.LockException:
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157 copy = False
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158
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159 if copy:
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160 # we lock here to avoid premature writing to the target
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161 dest_lock = lock.lock(os.path.join(dest_path, ".hg", "lock"))
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162
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163 # we need to remove the (empty) data dir in dest so copyfiles
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164 # can do its work
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165 os.rmdir(os.path.join(dest_path, ".hg", "data"))
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166 files = "data 00manifest.d 00manifest.i 00changelog.d 00changelog.i"
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167 for f in files.split():
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168 src = os.path.join(source, ".hg", f)
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169 dst = os.path.join(dest_path, ".hg", f)
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170 try:
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171 util.copyfiles(src, dst)
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172 except OSError, inst:
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173 if inst.errno != errno.ENOENT:
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174 raise
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175
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176 # we need to re-init the repo after manually copying the data
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177 # into it
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178 dest_repo = repository(ui, dest)
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179
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180 else:
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181 revs = None
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182 if rev:
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183 if not src_repo.local():
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184 raise util.Abort(_("clone by revision not supported yet "
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185 "for remote repositories"))
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186 revs = [src_repo.lookup(r) for r in rev]
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187
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188 if dest_repo.local():
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189 dest_repo.clone(src_repo, heads=revs, stream=stream)
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190 elif src_repo.local():
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191 src_repo.push(dest_repo, revs=revs)
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192 else:
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193 raise util.Abort(_("clone from remote to remote not supported"))
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194
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195 if src_lock:
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196 src_lock.release()
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197
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198 if dest_repo.local():
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199 fp = dest_repo.opener("hgrc", "w", text=True)
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200 fp.write("[paths]\n")
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201 fp.write("default = %s\n" % abspath)
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202 fp.close()
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203
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204 if dest_lock:
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205 dest_lock.release()
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206
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207 if update:
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diff changeset
208 _merge.update(dest_repo, dest_repo.changelog.tip())
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209 if dir_cleanup:
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diff changeset
210 dir_cleanup.close()
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211
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diff changeset
212 return src_repo, dest_repo
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diff changeset
213
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diff changeset
214 def update(repo, node):
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215 """update the working directory to node, merging linear changes"""
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216 return _merge.update(repo, node)
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diff changeset
217
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diff changeset
218 def clean(repo, node, wlock=None, show_stats=True):
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219 """forcibly switch the working directory to node, clobbering changes"""
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diff changeset
220 return _merge.update(repo, node, force=True, wlock=wlock,
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diff changeset
221 show_stats=show_stats)
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diff changeset
222
2822
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diff changeset
223 def merge(repo, node, force=None, remind=True, wlock=None):
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diff changeset
224 """branch merge with node, resolving changes"""
2829
4870f795f681 Merge: combine force and forcemerge arguments
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parents: 2826
diff changeset
225 return _merge.update(repo, node, branchmerge=True, force=force,
2822
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diff changeset
226 remind=remind, wlock=wlock)
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diff changeset
227
2826
3aeab7bb5adc Refactor update locking slightly
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parents: 2825
diff changeset
228 def revert(repo, node, choose, wlock):
2822
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diff changeset
229 """revert changes to revision in node without updating dirstate"""
2825
1ea086bc2086 Merge: combine choose and moddirstate to partial
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parents: 2824
diff changeset
230 return _merge.update(repo, node, force=True, partial=choose,
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3aeab7bb5adc Refactor update locking slightly
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diff changeset
231 show_stats=False, wlock=wlock)
2802
fdc232d8a193 Move repo.verify
Matt Mackall <mpm@selenic.com>
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diff changeset
232
fdc232d8a193 Move repo.verify
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diff changeset
233 def verify(repo):
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diff changeset
234 """verify the consistency of a repository"""
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diff changeset
235 return _verify.verify(repo)